Chimney words, explained
Plain English for the words you hear on a chimney visit.
C
Chimney Cap
A protective covering on the top of the chimney that keeps out rain, debris, and animals.
Chimney Crown
The concrete or masonry surface at the top of the chimney that seals the chimney from the elements.
Chimney Stack
The portion of the chimney that extends above the roof line.
Chimney Sweep
A professional specializing in cleaning and inspecting chimneys to ensure safe operation.
Creosote
A byproduct of burning wood that can accumulate in the chimney and pose a fire hazard if not cleaned regularly.
D
Damper
A movable plate in the flue that can be opened or closed to regulate airflow and prevent heat loss.
Draft
The upward flow of air in the chimney that allows smoke and gases to exit the fireplace.
F
Firebox
The inner area of the fireplace where logs are burned, requiring regular cleaning.
Flashing
Thin metal sheets installed around the base of the chimney to prevent water leaks where the chimney meets the roof.
Flue
The passageway inside the chimney that allows smoke and gases to escape from the fireplace.
L
Liner
A clay, ceramic, or metal conduit installed inside the chimney flue to contain combustion byproducts.
M
Masonry
The brick or stone structure of the chimney that needs regular maintenance to prevent deterioration.
R
Repointing
The process of renewing mortar joints in brickwork to maintain structural integrity.
S
Soot
A black powdery substance produced by incomplete combustion, often accumulating in the chimney.
Spark Arrestor
A device installed at the top of the chimney to prevent sparks and embers from escaping and causing fires.
W
Waterproofing
The application of materials to protect the chimney from water intrusion and damage.
Got a chimney question?
Tell us the town and what you are seeing. We call back to set a time.